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Southwest Airlines

Is WN3543 delayed?

Service date: · Scheduled departure date (America/Los_Angeles)

Arrived

24 min late

Official source · Updated

Departure

Las Vegas

LAS

Actual

Scheduled 17:47

Sep 6

Arrival

Pittsburgh

PIT

Actual

Scheduled 04:34

Sep 7

Times shown in airport local time

Flight details

Departure · UTC

Scheduled
Estimated
Not available
Actual

Arrival · UTC

Scheduled
Estimated
Not available
Actual

Recent arrivals

Dates below are arrival dates in the destination airport’s time zone. The detailed history uses service dates.

  • SEA → SMF

    8 min early

  • SEA → SMF

    17 min late

  • SEA → SMF

    7 min late

  • SEA → SMF

    51 min late

  • STL → PDX

    26 min late
Flight history and details

Aug 21, 2026 — Sep 20, 2026

Observed arrivals
19
Arrivals over 15 minutes late
6
Observed cancellations
0
Observed occurrences
21

Results compare scheduled and actual arrival times. Cancelled or diverted flights are excluded. Some flights may be missing from the history.

How flight status works

WN3543 Recent arrival history
Service dateDepartureArrivalActualArrival delay (minutes)
Sep 18, 2026ArrivedSeattleSacramento
-8
Sep 17, 2026ArrivedSeattleSacramento
17
Sep 16, 2026ArrivedSeattleSacramento
7
Sep 15, 2026ArrivedSeattleSacramento
51
Sep 14, 2026ArrivedSt LouisPortland
26
Sep 11, 2026ArrivedSeattleSacramento
1
Sep 9, 2026ArrivedSeattleSacramento
21
Sep 8, 2026ArrivedSeattleSacramento
-11
Sep 7, 2026ArrivedSeattleSacramento
-14
Sep 6, 2026ArrivedLas VegasPittsburgh
24
Sep 4, 2026ArrivedSeattleSacramento
-15
Sep 1, 2026ArrivedSeattleSacramento
-10
Aug 31, 2026ArrivedSeattleSacramento
5
Aug 28, 2026ArrivedSeattleSacramento
-17
Aug 27, 2026ArrivedSeattleSacramento
-10
Aug 26, 2026ArrivedSeattleSacramento
12
Aug 25, 2026ArrivedSeattleSacramento
-1
Aug 24, 2026ArrivedSeattleSacramento
60
Aug 21, 2026ArrivedSeattleSacramento
-7

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